# Plug-In Socket, 42.3 mm x 15.5 mm x 78 mm, RT Series Plug-In Screw Terminal Socket Relays

![Product image](https://novapart.co/image/farnell:3556084/)

**URL**: https://novapart.co/products/LZS:RT78725/plug-in-socket-423-mm-x-155-78-rt-series-screw
**SKU**: LZS:RT78725
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €8.0400
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3556084/)

**LZS:RT78725** 

## **Data sheet** 

plug-in socket for RT relay standard plug-in socket screw terminal 

||plug-in socket for RT relay standard plug-in socket screw terminal|
|---|---|
|**product brand name**|SIRIUS|
|**product type designation**|LZS|
|**General technical data**<br>~~|~~||
|**display version LED**<br>~~|~~|No<br>~~|~~|
|**reference code according to IEC 81346-2**|U|
|**Substance Prohibitance(Date)**|05/01/2012|
|**Net Weight**|0.037 kg|
|**Mechanical data**<br>~~|~~||
|**product componentplug-in socket**<br>~~|~~|Yes<br>~~|~~|
|**design of the snap-on socket base**|Standard socket|
|**design of the relay operating mechanism**|poled|
|**Auxiliary circuit**<br>~~|~~||
|**number of NC contacts for auxiliary contacts**<br>~~|~~|0<br>~~|~~|
|**number of NO contacts for auxiliary contacts**|0|
|number of CO contacts for auxiliarycontacts|0|
|**Connections/ Terminals**<br>~~|~~||
|**product function removable terminal**<br>~~|~~|No<br>~~|~~|
|**type of electrical connection**|screw terminal|
|**type of connectable conductor cross-sections**||
|● solid|1x(1,0 ... 2,5), 2x 1,0, 2x 1,5, 2x 2,5|
|● finelystranded with core endprocessing|1x(1.0 ... 1.5), 2x 1.0, 2x 1.5|
|● for AWG cables solid|1x(18 ... 14), 2x 18, 2x 16, 2x 14|
|**connectable conductor cross-section**||
|● solid|1 ... 2.5 mm²|
|● finelystranded with core endprocessing|1 ... 1.5 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**||
|● solid|18 ... 14|
|tighteningtorque with screw-type terminals|0.5 ... 0.7 N·m|
|**Installation/ mounting/ dimensions**<br>~~|~~||
|**mounting position**<br>~~|~~|any<br>~~|~~|
|**fastening method**|snap-on mounting|
|**height**|78 mm|
|**width**|15.5 mm|
|**depth**|42.3 mm|
|**required spacing**||
|● with side-by-side mounting||
|— forwards|0 mm|
|— backwards|0 mm|



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Subject to change without notice © Copyright Siemens 

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— upwards 0 mm — downwards 0 mm — at the side 0 mm ● for grounded parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — at the side 0 mm — downwards 0 mm ● for live parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm **Ambient conditions** ~~|~~ **ambient temperature** ● during operation -40 ... +70 °C ● during storage -20 ... +70 °C ● during transport -20 ... +70 °C ~~pT~~ **Approvals Certificates Environment General Product Approval other** Environmental ConConfirmation firmations ~~or~~ 

## **other** 

Confirmation 

**Further information** ~~OO—C™SCSC“‘CC;CéiéCs~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** https://support.industry.siemens.com/cs/ww/en/view/109995012 

**Information- and Downloadcenter (Catalogs, Brochures,…)** https://www.siemens.com/ic10 

**Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=LZS:RT78725 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=LZS:RT78725 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/LZS:RT78725 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=LZS:RT78725&lang=en 

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-U<br>last modified: 10/22/2025<br>A1 11 21<br>A2 12 14 22 24<br>**----- End of picture text -----**<br>


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## Links

- [View this product on Novapart](https://novapart.co/products/LZS:RT78725/plug-in-socket-423-mm-x-155-78-rt-series-screw)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/lzs-rt78725/control-gear-switch-gear-accessory/dp/3556084)
---

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